It won't be long before this theory___wrong

问题描述:

It won't be long before this theory___wrong
proves to be is proved to be will proved to be will be proved to be
He is not ___to give up halfway even if he gets defeated
possible probable proper likely
选什么为什么

likely
be likely to很有可能
possible 可能的 probable 可能的 proper 正确的 likely
只有be likely to很有可能 的语气更强,才适合这题.